@book{19946,
	author = {PUNMIA B.C. / JAIN, A},
	title = {ENVIRONMENTAL ENGINEERING VOL II : WASTE WATER ENGINEERING ( INCLUDING AIR POLLUTION)},
	publisher = {LAXMI PUBLICATION (P) LTD},
	year = {1996 R.P. 2015},
	note = {RBPL78614/19-20}
}